Abstract
This study was carried out to investigate the characteristics of silica extracted from rice straw obtained from rice farming region of Pekalongan. The silica was obtained using sol-gel method, which involves extraction of silica using alkalis solution and gelation of the silica using acid solution. It was found that the highest yield was obtained from the extraction using 5% KOH solution with the extraction time of 60 minutes, and gelation pH of 7.0. The SiO2 chemical composition was confirmed by EDS and FTIR and the amorphous by XRD. SEM analysis indicates the existence of various particle sizes distributed irregularly, which reflects that homogeneous sample has not been achieved in this study. Nanosilica powders with a 45,3869 nm average poresize and have specific surface (94,761 m2/g). Silica nanoparticle fertilizer applied to various plants such as peanuts, tomato and soybean. Based on the research can be seen that the plant height and number of leaves of plants with nanosilica fertilizers more show very rapid growth.
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Claims 7
Claim · model-written summary
Nanosilica fertilizer applied to peanuts, tomato and soybean gave plants with more rapid growth in plant height and number of leaves.
- Taxon
- peanuts, tomato and soybean
Arachis hypogaea
Glycine max
Solanum lycopersicume1 - Treatment
- nanosilica fertilizerse2
- Outcome
- plant height and number of leavese2
- Direction
- very rapid growthe2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Silica nanoparticle fertilizer applied to various plants such as peanuts, tomato and soybean”
e2“Based on the research can be seen that the plant height and number of leaves of plants with nanosilica fertilizers more show very rapid growth”
Claim · model-written summary
The highest silica yield came from extraction with 5% KOH solution.
- Taxon
- rice
Oryza sativae0 - Treatment
- 5% KOH solutione3
- Outcome
- yielde3
- Direction
- higheste3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study was carried out to investigate the characteristics of silica extracted from rice straw obtained from rice farming region of Pekalongan”
e3“It was found that the highest yield was obtained from the extraction using 5% KOH solution with the extraction time of 60 minutes, and gelation pH of 7.0”
Claim · model-written summary
The SiO2 composition of the extracted silica was confirmed by EDS and FTIR.
- Taxon
- riceOryza sativae0
- Outcome
- SiO2 chemical compositione4
- Qualifier
- confirmed by EDS and FTIRe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study was carried out to investigate the characteristics of silica extracted from rice straw obtained from rice farming region of Pekalongan”
e4“The SiO2 chemical composition was confirmed by EDS and FTIR and the amorphous by XRD”
Claim · model-written summary
The extracted silica is amorphous according to XRD.
- Taxon
- riceOryza sativae0
- Outcome
- amorphouse4
- Qualifier
- by XRDe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study was carried out to investigate the characteristics of silica extracted from rice straw obtained from rice farming region of Pekalongan”
e4“The SiO2 chemical composition was confirmed by EDS and FTIR and the amorphous by XRD”
Claim · model-written summary
SEM shows particle sizes of the silica distributed irregularly.
- Taxon
- riceOryza sativae0
- Outcome
- particle sizese5
- Qualifier
- distributed irregularlye5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study was carried out to investigate the characteristics of silica extracted from rice straw obtained from rice farming region of Pekalongan”
e5“SEM analysis indicates the existence of various particle sizes distributed irregularly”
Claim · model-written summary
Nanosilica powder has an average pore size of 45,3869 nm.
- Taxon
- riceOryza sativae0
- Outcome
- average poresizee6
- Value
- 45,3869 nme6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study was carried out to investigate the characteristics of silica extracted from rice straw obtained from rice farming region of Pekalongan”
e6“Nanosilica powders with a 45,3869 nm average poresize and have specific surface (94,761 m2/g)”
Claim · model-written summary
Nanosilica powder has a specific surface of 94,761 m2/g.
- Taxon
- riceOryza sativae0
- Outcome
- specific surfacee6
- Value
- 94,761 m2/ge6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study was carried out to investigate the characteristics of silica extracted from rice straw obtained from rice farming region of Pekalongan”
e6“Nanosilica powders with a 45,3869 nm average poresize and have specific surface (94,761 m2/g)”
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